| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 921.43 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 942.53 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 928.47 | USD | 20250918 |
| Shandong Xima Supply Chain Management Co., Ltd. | China national standards | MT | 788.43 | USD | 20250916 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 872.91 | USD | 20250916 |
| Yancheng SUPER Chemical Technology Co., Ltd. | China national standards | MT | 827.85 | USD | 20250916 |
| Shandong Huize Chemical Technology Co., Ltd. | China national standards | MT | 816.59 | USD | 20250916 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 760.27 | USD | 20250916 |